1. She is the ____________(主唱) in the concert.

2.We humans are hoping to live on the moon ___________(有朝一日).

3.He ___________(离开) yesterday. He has gone to Shanghai.

4.We have lived in the countryside ______________(在过去的几年里).

5.We went to the airport to _____________(与……告别) Mr Green.

6._____________(一半的) the students have been to the museum.

完成句子

1.那个老人过去常在校门外修自行车。

The old man ________ _______ _______ bikes outside the school.

2.这幢教学大楼已经投入使用5年了。

This teaching building has been _____ ____ ______ five years ago.

3.我离开北京两年半了。

I __________ _________ _______ ________ Beijing for two years and a half.

4.这些演员表演的很精彩，我忍不住鼓掌。

These performers __________________ that I ____________________________.

5.他们是2003年结婚的，他们想开个聚会来庆祝结婚十周年。

They ___________________in 2003 and they want to have a party __________________.